/*
  Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.

  The MySQL Connector/C++ is licensed under the terms of the GPLv2
  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
  MySQL Connectors. There are special exceptions to the terms and
  conditions of the GPLv2 as it is applied to this software, see the
  FLOSS License Exception
  <http://www.mysql.com/about/legal/licensing/foss-exception.html>.

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published
  by the Free Software Foundation; version 2 of the License.

  This program is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  for more details.

  You should have received a copy of the GNU General Public License along
  with this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
*/

#ifndef _MYSQL_LIBMYSQL_STATIC_H_
#define _MYSQL_LIBMYSQL_STATIC_H_

#include "mysql_client_api.h"
#include <cppconn/config.h>
#include <boost/noncopyable.hpp>
#include <boost/shared_ptr.hpp>


namespace sql
{
    namespace mysql
    {
        namespace util
        {
            template <class T>
            class Singleton: public boost::noncopyable
            {
            protected:
                Singleton() {}

            public:

                static boost::shared_ptr<T> & theInstance() {
                    //shared::ptr is used only to be able to use in getCApiHandle
                    static boost::shared_ptr<T> instance(new T());

                    return instance;
                }
            };


            // macros to use in private/protected part of singleton-ed class
#define CCPP_SINGLETON(classname) classname();\
	friend class sql::mysql::util::Singleton<classname>
        }

        namespace NativeAPI
        {


            class LibmysqlStaticProxy : public IMySQLCAPI, public ::sql::mysql::util::Singleton< LibmysqlStaticProxy >
            {
            private:

                CCPP_SINGLETON(LibmysqlStaticProxy);

            public:

                virtual ~LibmysqlStaticProxy();

                // MySQL C-API calls wrappers

                my_ulonglong affected_rows(MYSQL* mysql);

                my_bool autocommit(MYSQL*, my_bool);

                void close(MYSQL* mysql);

                my_bool commit(MYSQL* mysql);

                void data_seek(MYSQL_RES*, my_ulonglong);

                void debug(const char*);

                unsigned int mysql_errno(MYSQL* mysql);

                const char* error(MYSQL* mysql);

                MYSQL_FIELD* fetch_field(MYSQL_RES*);

                MYSQL_FIELD* fetch_field_direct(MYSQL_RES*, unsigned int);

                unsigned long* fetch_lengths(MYSQL_RES*);

                MYSQL_ROW fetch_row(MYSQL_RES*);

                unsigned int field_count(MYSQL* mysql);

                void free_result(MYSQL_RES*);

                unsigned long get_client_version();

                const char* get_server_info(MYSQL* mysql);

                unsigned long get_server_version(MYSQL* mysql);

                MYSQL* init(MYSQL* mysql);

                int library_init(int, char**, char**);

                void library_end();

                my_bool more_results(MYSQL* mysql);

                int next_result(MYSQL* mysql);

                unsigned int num_fields(MYSQL_RES*);

                my_ulonglong num_rows(MYSQL_RES*);

                int options(MYSQL*, enum mysql_option, const void*);

                int ping(MYSQL*);

                int query(MYSQL*, const char*);

                MYSQL* real_connect(MYSQL* mysql,
                                    const char*   host,
                                    const char*   user,
                                    const char*   passwd,
                                    const char*   db,
                                    unsigned int  port,
                                    const char*   unix_socket,
                                    unsigned long client_flag);

                unsigned long real_escape_string(MYSQL* mysql, char* to, const char* from, unsigned long length);

                int real_query(MYSQL*, const char*, unsigned long);

                my_bool rollback(MYSQL* mysql);

                const char* sqlstate(MYSQL* mysql);

                my_bool ssl_set(MYSQL* mysql,
                                const char* key,
                                const char* cert,
                                const char* ca,
                                const char* capath,
                                const char* cipher);

                MYSQL_RES*   store_result(MYSQL* mysql);

                MYSQL_RES*   use_result(MYSQL* mysql);

                // Prepared Statementstmt_* functions
                my_ulonglong stmt_affected_rows(MYSQL_STMT*);

                my_bool stmt_attr_set(MYSQL_STMT*, enum enum_stmt_attr_type, const void*);

                my_bool stmt_bind_param(MYSQL_STMT*, MYSQL_BIND*);

                my_bool stmt_bind_result(MYSQL_STMT*, MYSQL_BIND*);

                my_bool stmt_close(MYSQL_STMT*);

                void stmt_data_seek(MYSQL_STMT*, my_ulonglong);

                unsigned int stmt_errno(MYSQL_STMT*);

                const char* stmt_error(MYSQL_STMT*);

                int stmt_execute(MYSQL_STMT*);

                int stmt_fetch(MYSQL_STMT*);

                unsigned int stmt_field_count(MYSQL_STMT*);

                MYSQL_STMT* stmt_init(MYSQL* mysql);

                my_ulonglong stmt_num_rows(MYSQL_STMT*);

                unsigned long stmt_param_count(MYSQL_STMT*);

                int stmt_prepare(MYSQL_STMT*, const char*, unsigned long);

                MYSQL_RES* stmt_result_metadata(MYSQL_STMT*);

                my_bool stmt_send_long_data(MYSQL_STMT*, unsigned int, const char*, unsigned long);

                const char* stmt_sqlstate(MYSQL_STMT*);

                int stmt_store_result(MYSQL_STMT*);

                void thread_init();

                void thread_end();
            };

        } // namespace NativeAPI
    } // namespace mysql
} // namespace sql

#endif

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: noet sw=4 ts=4 fdm=marker
 * vim<600: noet sw=4 ts=4
 */
